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glibc/hurd/ports-set.c
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/* Copyright (C) 1994-2016 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
The GNU C Library is free software; you can redistribute it and/or | |
modify it under the terms of the GNU Lesser General Public | |
License as published by the Free Software Foundation; either | |
version 2.1 of the License, or (at your option) any later version. | |
The GNU C Library is distributed in the hope that it will be useful, | |
but WITHOUT ANY WARRANTY; without even the implied warranty of | |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
Lesser General Public License for more details. | |
You should have received a copy of the GNU Lesser General Public | |
License along with the GNU C Library; if not, see | |
<http://www.gnu.org/licenses/>. */ | |
#include <hurd.h> | |
static error_t | |
setbootstrap (mach_port_t newport) | |
{ | |
return __task_set_special_port (__mach_task_self (), | |
TASK_BOOTSTRAP_PORT, | |
newport); | |
} | |
extern error_t _hurd_setauth (auth_t); | |
extern error_t _hurd_setproc (process_t); | |
extern error_t _hurd_setcttyid (mach_port_t); | |
error_t (*_hurd_ports_setters[INIT_PORT_MAX]) (mach_port_t newport) = | |
{ | |
[INIT_PORT_BOOTSTRAP] = setbootstrap, | |
[INIT_PORT_AUTH] = _hurd_setauth, | |
[INIT_PORT_PROC] = _hurd_setproc, | |
[INIT_PORT_CTTYID] = _hurd_setcttyid, | |
}; | |
error_t | |
_hurd_ports_set (unsigned int which, mach_port_t newport) | |
{ | |
error_t err; | |
if (which >= _hurd_nports) | |
return EINVAL; | |
if (err = __mach_port_mod_refs (__mach_task_self (), newport, | |
MACH_PORT_RIGHT_SEND, 1)) | |
return err; | |
if (which >= INIT_PORT_MAX || _hurd_ports_setters[which] == NULL) | |
{ | |
_hurd_port_set (&_hurd_ports[which], newport); | |
return 0; | |
} | |
return (*_hurd_ports_setters[which]) (newport); | |
} |